Add OpenSSH_jll as a direct dependency, and force our Git to use OpenSSH_jll (instead of the system ssh)

.github/workflows/ci.yml

@@ -2,8 +2,6 @@ name: CI
 
 on:
   pull_request:
-    branches:
-      - master
   push:
     branches:
       - master
@@ -61,7 +59,15 @@ jobs:
           arch: ${{ matrix.arch }}
       - uses: julia-actions/cache@v2
       - uses: julia-actions/julia-buildpkg@v1
+      - name: On Linux and Windows, ssh-keyscan github.com and store in known-hosts
+        shell: bash
+        run: |
+          mkdir -p ~/.ssh
+          ssh-keyscan github.com >> ~/.ssh/known_hosts
+        if: runner.os == 'Linux' || runner.os == 'Windows'
       - uses: julia-actions/julia-runtest@v1
+        env:
+          CI_READONLY_DEPLOYKEY_FOR_CI_TESTSUITE_PRIVATEKEY: ${{ secrets.CI_READONLY_DEPLOYKEY_FOR_CI_TESTSUITE_PRIVATEKEY }}
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v5
         with:

Project.toml

@@ -1,19 +1,21 @@
 name = "Git"
 uuid = "d7ba0133-e1db-5d97-8f8c-041e4b3a1eb2"
+version = "1.4.0"
 authors = ["Dilum Aluthge", "contributors"]
-version = "1.3.1"
 
 [deps]
 Git_jll = "f8c6e375-362e-5223-8a59-34ff63f689eb"
+JLLWrappers = "692b3bcd-3c85-4b1f-b108-f13ce0eb3210"
+OpenSSH_jll = "9bd350c2-7e96-507f-8002-3f2e150b4e1b"
 
 [compat]
 Git_jll = "2.44"
 JLLWrappers = "1.1"
+OpenSSH_jll = "9, 10"
 julia = "1.6"
 
 [extras]
-JLLWrappers = "692b3bcd-3c85-4b1f-b108-f13ce0eb3210"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["JLLWrappers", "Test"]
+test = ["Test"]

src/git_function.jl

@@ -1,3 +1,6 @@
+using OpenSSH_jll: OpenSSH_jll
+using JLLWrappers: pathsep, LIBPATH_env
+
 """
     git()
 
@@ -18,8 +21,8 @@ julia> run(git(["clone", "https://github.com/JuliaRegistries/General"]))
 to bypass the parsing of the command string.
 """
 function git(; adjust_PATH::Bool = true, adjust_LIBPATH::Bool = true)
-    @static if Sys.iswindows()
-        return Git_jll.git(; adjust_PATH, adjust_LIBPATH)::Cmd
+    git_cmd = @static if Sys.iswindows()
+        Git_jll.git(; adjust_PATH, adjust_LIBPATH)::Cmd
     else
         root = Git_jll.artifact_dir
 
@@ -45,8 +48,26 @@ function git(; adjust_PATH::Bool = true, adjust_LIBPATH::Bool = true)
         end
 
         original_cmd = Git_jll.git(; adjust_PATH, adjust_LIBPATH)::Cmd
-        return addenv(original_cmd, env_mapping...)::Cmd
+        addenv(original_cmd, env_mapping...)::Cmd
     end
+
+    # Use OpenSSH from the JLL: <https://github.com/JuliaVersionControl/Git.jl/issues/51>.
+    if !Sys.iswindows() && OpenSSH_jll.is_available()
+        path = split(get(ENV, "PATH", ""), pathsep)
+        libpath = split(get(ENV, LIBPATH_env, ""), pathsep)
+
+        path = vcat(dirname(OpenSSH_jll.ssh_path), path)
+        libpath = vcat(OpenSSH_jll.LIBPATH_list, libpath)
+        path = vcat(dirname(Git_jll.git_path), path)
+        libpath = vcat(Git_jll.LIBPATH_list, libpath)
+
+        unique!(filter!(!isempty, path))
+        unique!(filter!(!isempty, libpath))
+
+        git_cmd = addenv(git_cmd, "PATH" => join(path, pathsep), LIBPATH_env => join(libpath, pathsep))
+    end
+
+    return git_cmd
 end
 
 function git(args::AbstractVector{<:AbstractString}; kwargs...)

test/runtests.jl

@@ -71,3 +71,39 @@ end
         @test dir1_log == dir2_log
     end; end
 end
+
+# https://github.com/JuliaVersionControl/Git.jl/issues/51
+@testset "OpenSSH integration" begin
+    is_ci = parse(Bool, strip(get(ENV, "CI", "false")))
+    is_gha = parse(Bool, strip(get(ENV, "GITHUB_ACTIONS", "false")))
+    if is_ci && is_gha
+        @info "This is GitHub Actions CI, so running the OpenSSH test..."
+        mktempdir() do sshprivkeydir
+            privkey_filepath = joinpath(sshprivkeydir, "my_private_key")
+            open(privkey_filepath, "w") do io
+                ssh_privkey = ENV["CI_READONLY_DEPLOYKEY_FOR_CI_TESTSUITE_PRIVATEKEY"]
+                println(io, ssh_privkey)
+            end # open
+            # We need to chmod our private key to 600, or SSH will ignore it.
+            chmod(privkey_filepath, 0o600)
+
+            # ssh_verbose = "-vvv" # comment this line back out when you are finished debugging
+            ssh_verbose = "" # uncomment this line when you are finished debugging
+
+            withenv("GIT_SSH_COMMAND" => "ssh $(ssh_verbose) -i \"$(privkey_filepath)\"") do
+                withtempdir() do workdir
+                    @test !isdir("Git.jl")
+                    @test !isfile(joinpath("Git.jl", "Project.toml"))
+                    # We use `run()` so that we can see the stdout and stderr in the CI logs:
+                    proc = run(`$(git()) clone --depth=1 [email protected]:JuliaVersionControl/Git.jl.git`)
+                    @test success(proc)
+                    @test isdir("Git.jl")
+                    @test isfile(joinpath("Git.jl", "Project.toml"))
+                end # withtempdir/workdir
+            end # withenv
+        end # withtempdir/sshprivkeydir
+    else
+        # Mark this test as skipped if we are not running in CI
+        @test_skip false
+    end # if
+end # testset